"I have a pearl," said Kino.

"You have a pearl," the dealer said. "Sometimes a man brings in a dozen. Well, let us see your pearl." And his fingers worked with a coin. Kino knew well his own dramatic effects. Slowly, he brought out the leather bag, slowly he took it from the soft and dirty deerskin, and then he let the great pearl roll into the black velvet tray. Instantly his eyes went to the buyer's face. But there was no movement, no change, but the secret hand behind the desk missed its coin. The coin stumbled over a knuckle and slipped into the dealer's lap. And the fingers behind the desk curled into a fist. Finally the buyer touched the great pearl, or rather pushed at it and twirled it in the air. Kino held his breath.

Q. Underline the sentence in the paragraph that shows that Kino is hopeful.